
(a)
Interpretation: The information regarding the working of photo-gray lenses and the reactions involved in it are given. Various questions based on the material of photo-gray lenses have to be answered.
Concept introduction: Electronic configuration determines the electron distribution in an atom or a molecule. The entire periodic table is based upon the distribution of electrons in the atom.
To determine: The condensed electronic configuration of different given species.
(b)
To determine: The definition of excited state.
(c)
To determine: The comparison between the energy needed for the removal of electron from Bromide ion and Chloride ion.
(d)
To determine: The effect of substitution of

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Chapter 7 Solutions
Chemistry: The Science in Context (Fourth Edition)
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- Draw the major organic substitution product or products for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Clearly drawn the stereochemistry, including a wedged bond, a dashed bond and two in-plane bonds at each stereogenic center. Omit any byproducts. Bri CH3CH2O- (conc.) Draw the major organic product or products.arrow_forwardTartaric acid (C4H6O6) is a diprotic weak acid. A sample of 875 mg tartaric acid are dissolved in 100 mL water and titrated with 0.994 M NaOH. How many mL of NaOH are needed to reach the first equivalence point? How many mL of NaOH are needed to reach the second equivalence point?arrow_forwardIncluding activity, calculate the solubility of Pb(IO3)2 in a matrix of 0.020 M Mg(NO3)2.arrow_forward
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